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NEET2019ChemistryHaloalkanes and HaloarenesActual

Correct order for reaction with alcoholic KOH is

Options

  1. Ai > ii > iii > iv
  2. Bi > iii > ii > iv
  3. Civ > ii > iii > i
  4. Di > iv > ii > iii

Correct answer

B. i > iii > ii > iv

Step-by-step solution

- Br is good leaving group than - Cl due to low bond dissociation energy of C - Br bond. 2^ carbocation is more stable than 1^ carbocation. More substituted alkene is more stable (Saytzeff's rule).

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